#  author:张靖昆 date:2020/3/3 name:1_if_else IDE:PyCharm
# f= True

# if f:
#     # if 语句块
#     print('1')
# else:
#     # else 语句块
#     print('2')

# if f:
#     # 用 tab 统一段前空大小
#     print('1')
#     print('2')

# ctrl + alt +l

# age=0
# if age>=1 and age<=10:
#     print('儿童')
# elif age>=10 and age<=18:
#     print('青年')
# elif age>=18 and age<=60:
#     print('壮年')
# elif age>60 and age<120:
#     print('老年')
# elif age >120:
#     print('有点能活了啊')
# else:
#     print('你输入的数据不行')

# f=''
# age=20
# # # if age>18 :
# # #     f="成年"
# # # else:
# # #     f="未成年"
# # # print(f)
# #
# # f='成年' if age>18 else '未成年'
# # print(f)


